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75 lines
2.8 KiB
Bash
75 lines
2.8 KiB
Bash
#!/usr/bin/env bash
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#
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# Author: Hari Sekhon
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# Date: 2019-09-12
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#
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# https://github.com/HariSekhon/DevOps-Bash-tools
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#
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# License: see accompanying LICENSE file
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#
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# https://www.linkedin.com/in/HariSekhon
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#
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# Install Homebrew on Mac OS X or Linux (used by AWS CLI on Linux)
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#
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# doesn't install on CentOS 6 any more
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#
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# https://github.com/Homebrew/brew/issues/7583#issuecomment-640379742
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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if type -P brew &>/dev/null; then
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echo "HomeBrew already installed, skipping install..."
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else
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echo "==================="
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echo "Installing HomeBrew"
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echo "==================="
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echo
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# root installs to first one, user installs to the latter
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for x in /home/linuxbrew/.linuxbrew/bin ~/.linuxbrew/bin; do
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if [ -d "$x" ]; then
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export PATH="$PATH:$x"
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fi
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done
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# can't install until homebrew is installed, and these should already be present
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#"$srcdir/../packages/install_packages_if_absent.sh" bash curl git sudo
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cmds=""
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if [ "$(uname -s)" = Linux ]; then
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# if we're in debug mode enable set -x inside the HomeBrew script so we can see what inside it is causing breakage
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if [ -n "${DEBUG_HOMEBREW:-}" ]; then
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cmds="set -x"
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fi
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{
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echo "$cmds"
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# LinuxBrew has migrated to HomeBrew now
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curl -fsSL https://raw.githubusercontent.com/Linuxbrew/install/master/install.sh
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# but this requires newer curl and fails many CI builds - https://github.com/Homebrew/install/issues/367
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#curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh
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} |
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{
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# XXX: requires 'sudo' command to install now no matter whether run as root or a regular user :-/
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if [ "$EUID" -eq 0 ]; then
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user=linuxbrew
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echo "Installing HomeBrew on Linux as user $user"
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# Alpine has adduser
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id "$user" 2>/dev/null || useradd "$user" || adduser -D "$user"
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mkdir -p -v "/home/$user"
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chown -R "$user" "/home/$user"
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# can't just pass bash, and -s shell needs to be fully qualified path
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su "$user" -s /bin/bash
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else
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echo "Installing HomeBrew on Linux as user ${USER:-whoami}"
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# newer versions of HomeBrew require bash not sh due to use of [[
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bash
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fi
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}
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else
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echo "Installing HomeBrew on Mac as user ${USER:-whoami}"
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# now deprecated and replaced with the shell version below
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#curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install | ruby
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bash -c "$(echo "$cmds"; curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
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fi
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fi
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